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Communication | Special issue | Vol 11, No. 1, 1978, pp.267-273
Published online, 1st January, 1970
DOI: 10.3987/S(N)-1978-01-0267
Seven-membered N-Heterocycles. XIV. Syntheses of 6,7,8,9-Tetrahydro-5H-pyrido[2,3-d]azepines

Hiroshi Yamamoto,* Heizan Kawamoto, Shiro Morosawa, and Akira Yoko

*Department of Chemistry, Faculty of Science, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan


A variety of the title pyrido-azepines (5, 6) were synthesized by utilizing diethyl hexahydro-4-oxo-1H-azepine-1,5-dicarboxylate (2d) as the starting material. The structures of these new heterocyclic compounds are established by spectroscopic methods.